Common A/C Problems and Solutions

Are you frustrated with your AC and not sure where to turn? If so, you’ve come to the right place.

Since 1999, Radiant Plumbing & Air Conditioning has been the trusted provider of heating, cooling, and plumbing services in Austin and San Antonio. Available 24/7, we are dedicated to keeping your home comfortable year-round. Plus, we offer comprehensive and affordable maintenance plans (including cooling system upkeep) to ensure your A/C is always running smoothly.

Air conditioning is essential for indoor comfort, especially in the Texas heat. However, like any appliance, A/C units can experience issues that prevent them from functioning properly.

Whether your air conditioner won’t turn on or you’re facing other common A/C problems, understanding the potential causes and solutions can help you address the issue quickly and effectively.

In this article, we’ll cover some of the most common A/C problems homeowners encounter, along with troubleshooting tips and solutions to get your cooling system back up and running.

Why Won’t My A/C Turn On?

Check the Power Source

Before you panic, ensure your A/C unit is receiving power. It may seem simple, but sometimes the solution is as straightforward as checking if the unit is plugged in or if a circuit breaker has tripped.

Inspect the Thermostat

Why is my thermostat not turning on the AC? If your thermostat isn’t functioning correctly, it can prevent your A/C from turning on. Ensure it’s set to “cool” and that the temperature is lower than the current room temperature. If it’s battery-operated, try replacing the batteries to see if that resolves the issue.

Check the Outdoor Unit for Debris

Why would the outside AC unit not kick on? Sometimes, the problem lies with the external unit. Debris blocking the unit, a tripped breaker, or even a damaged capacitor could be the culprit. Clear any obstructions and reset any tripped circuits. If the problem persists, contact the friendly and skilled team at Radiant for further inspection.

Common A/C Problems and Their Solutions

Air conditioners can face a range of issues, from minor annoyances to more significant concerns that may require professional help. Below are some common problems and steps you can take to resolve them.

A/C Blowing Warm Air

One of the most common issues is an A/C unit that blows warm air. This problem could be due to a dirty air filter, low refrigerant levels, or a malfunctioning compressor. Replace the air filter regularly, and if the issue isn’t resolved, call one of our trusted HVAC technicians to check for leaks or compressor issues.

Strange Noises

Unusual noises coming from your A/C unit can indicate a problem. Rattling or buzzing could mean loose parts, while whistling or hissing might suggest a refrigerant leak. Turn off your unit and contact a professional to diagnose and fix the problem immediately.

Water Leaks

If you notice water pooling around your A/C unit, it could be due to a clogged condensate drain line or a broken condensate pump. Clear the line using a wet/dry vacuum or call our team at [(866) 525-7925](tel:(866) 525-7925) to repair or replace the pump. We are standing by 24/7 to help you prevent unnecessary damage to your home and keep the temperature comfortable year-round.

Frozen Evaporator Coils

Evaporator coils can freeze due to restricted airflow or low refrigerant levels. Check your air filter and replace it if necessary. If the problem persists, a technician may need to recharge the refrigerant and inspect for leaks.

A/C Short Cycling

Short cycling, where the A/C unit turns on and off more frequently than normal, can strain the system and increase energy bills. This could be due to an oversized unit, a clogged filter, or a malfunctioning thermostat. Ensure the filter is clean and consult with our AC experts to determine if the unit is properly sized for your home.

Why Is My AC Not Turning On? – Advanced Troubleshooting

If the basic checks don’t reveal the problem, it may be time to delve a little deeper.

Electrical Issues

Electrical problems can prevent your A/C from starting. Inspect wiring for signs of damage, and ensure all electrical connections are secure. If you’re not comfortable with electrical work, it’s best to call our certified technicians at 833-656-4056 to ensure your system is not compromised. Electrical issues can pose significant dangers, and should never be ignored.

Capacitor or Contactor Problems

The capacitor stores energy needed to start the compressor, while the contactor controls the flow of electricity. If either component fails, your A/C won’t turn on. These parts can be replaced by our knowledgable team promptly and affordably, so there is no need to stress if this issue arises.

Compressor Malfunction

The compressor is the heart of your A/C system. If it’s not working correctly, the entire unit may fail to turn on. Compressor issues are complex and usually require the expertise of a trained technician. Every HVAC technician at Radiant comes prepared to tackle your AC compressor issues seamlessly, around your schedule. Trained in all aspects of air conditioning, heating, and cooling, there is no job too big or too small for our professional team.

Preventative Maintenance: Keeping Your A/C Running Smoothly

Preventative maintenance is key to avoiding common A/C problems. Here are some steps you can take to keep your air conditioner in top shape:

Regular Cleaning is Key

Ensure the exterior of your unit is free from leaves, dirt, and other debris. Clean or replace air filters every one to three months, depending on usage and type.

Stress-Free, Scheduled Servicing

Have your A/C system serviced by a professional at least once a year. They can check for issues, ensure it’s running efficiently, and perform necessary maintenance tasks.

To make regular maintenance easy and cost-effective, we proudly offer our valued customers the Radiant Care Club; our comprehensive home service plan designed to keep your home systems running like clockwork.

Be Proactive and Prepared

Don’t wait for problems to arise. If you notice any changes in performance or hear unusual sounds, address them promptly to prevent further damage.

When to Call a Professional

While some A/C problems can be resolved with simple troubleshooting, others require the expertise of a professional. If you’ve exhausted the basic checks and your unit still isn’t working (or if you suspect a more serious issue like a refrigerant leak or compressor failure), it’s time to call our reputable and certified HVAC technicians at 833-656-4056.

Conclusion: Stay Cool and Collected

Understanding the reasons why your A/C won’t turn on and how to troubleshoot common issues can save you time and discomfort. However, some problems require professional expertise to ensure your system is running efficiently and safely. At Radiant Plumbing & Air Conditioning, we have been serving the Austin and San Antonio areas since 1999 with reliable and expert heating, cooling, and plumbing services.

If you’re experiencing persistent issues with your air conditioning or need professional maintenance, don’t hesitate to contact us. Our team is available 24/7 to provide prompt and efficient service, ensuring your home remains comfortable year-round.

Join our Radiant Care Club for comprehensive maintenance plans that keep your cooling systems in top shape.

Call us today and experience the Radiant difference backed by our ironclad guarantee!